Home / 1,916,415.40-2,874,623.10-1,631,449.30

Finding the Fourth Proportional to 1,916,415.40, 2,874,623.10 and 1,631,449.30

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Solution

The fourth proportional to 1,916,415.40, 2,874,623.10 and 1,631,449.30 is: 2,447,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,415.40 : 2,874,623.10 = 1,631,449.30 : x
  2. Step 2: Convert to fraction form
    1,916,415.40/2,874,623.10 = 1,631,449.30/x
  3. Step 3: Cross multiply
    1,916,415.40x = 2,874,623.10 × 1,631,449.30
  4. Step 4: Simplify right side
    1,916,415.40x = 4,689,801,844,258.83
  5. Step 5: Solve for x
    x = 4,689,801,844,258.83/1,916,415.40
  6. Step 6: Final answer
    x = 2,447,173.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.